5 months ago
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Amazing product
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Tempest BlueSync - Mountain Forest
€312.68
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Due to high demand: only limited stock remaining in the EU warehouse
Trusted Shops certifiedProduct description
Key Benefits
- Wavelength-specific blue light optimisation.
- Optical-grade polycarbonate lenses.
- Colour and lens hue optimisation.
- Italian acetate and steel frame.
Tempest BlueSync - Mountain Forest features optical-grade polycarbonate lenses tested to the Ra Superlative™ standard, with wavelength-specific blue light protection and optimisation for colour rendering, visual comfort, and lens hue. The lenses undergo short- and long-duration stress testing to support consistent visual performance and clarity.
The frame combines Italian Mazzucchelli acetate with German stainless steel for a balanced and durable construction. Designed around circadian-friendly light management, the BlueSync lens profile focuses on supporting sharper focus, clearer vision, and visual comfort throughout the day. The system aligns with benefits centred on visual relief, focus, eye comfort, and everyday performance in dynamic, screen-heavy and daylight environments.
Size: 48-26-142
Total Width: 122mm
Lens Height: 38mm
What’s Included:
• Protective eyewear case
• Microfibre cleaning cloth
Why Ra Optics is Healf
Tempest BlueSync - Mountain Forest uses proprietary BlueSync pigment technology to control exactly which wavelengths reach your eyes. The lens blocks harmful UV and high-energy visible light in the 400–450 nm range, reducing cellular stress from prolonged exposure. It selectively enhances circadian blue light around 480 nm to support natural energy and alertness. At the same time, it fully transmits healing red and near-infrared light and keeps the rest of the visible spectrum in optimal balance. This precise filtering approach supports eye protection, circadian rhythm, and daily performance in one system, helping you feel more focused, energised, and comfortable from morning to evening.
Ra Optics was founded by Matt Maruca after his own health journey led him to uncover the effects of artificial light on circadian biology. His mission became clear: to create the world’s highest-quality blue-light-blocking eyewear, backed by peer-reviewed science and guided by ancestral principles. Crafted with proprietary lens technology, Ra Optics glasses are engineered to protect mitochondrial function, regulate melatonin production, and reduce the impact of screen-induced fatigue. It’s a deceptively simple tool, designed to restore one of the body’s most critical rhythms—light and darkness.
With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.
Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.
Ra Optics was founded by Matt Maruca after his own health journey led him to uncover the effects of artificial light on circadian biology. His mission became clear: to create the world’s highest-quality blue-light-blocking eyewear, backed by peer-reviewed science and guided by ancestral principles. Crafted with proprietary lens technology, Ra Optics glasses are engineered to protect mitochondrial function, regulate melatonin production, and reduce the impact of screen-induced fatigue. It’s a deceptively simple tool, designed to restore one of the body’s most critical rhythms—light and darkness.
With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.
Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.
Suggested use
Use BlueSync in the morning and throughout the day whenever you want a natural boost in energy, focus, mood, and productivity. It can be used during activities such as walking, running, hiking, training, playing sports, or working.
BlueSync can be used indoors, but its effects are strongest in daylight, especially near large windows. Discontinue use in the late afternoon or whenever you want to start winding down for the day. If needed, it can also be used in the late afternoon or evening, keeping in mind this may disrupt your natural sleep cycle.
BlueSync can be used indoors, but its effects are strongest in daylight, especially near large windows. Discontinue use in the late afternoon or whenever you want to start winding down for the day. If needed, it can also be used in the late afternoon or evening, keeping in mind this may disrupt your natural sleep cycle.
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Dillon Jagatia
A comprehensive approach to wellbeing
Healf has impressed me with its comprehensive approach to wellbeing. Their commitment to natural ingredients and cutting-edge technology is evident. From vitamins and supplements to healthy snacks and cooking essentials, they've curated a diverse range of options to cater to various health needs.
Jesse Hansen-Bartel
Top-tier products
If you're serious about wellbeing, you need Healf. Their products are top-tier and the customer service team has been super attentive!
Mayah
One of the best wellbeing websites I've come across.
Healf is one of the best wellbeing websites I've come across. It's nice to know that they thoroughly check the products they sell so you know you are getting good quality stuff. Highly recommend.
Lydia Free
The best wellbeing website…
The best health and wellbeing website in the UK. The range of products is fantastic, even on hard to reach USA products. I love the subscription service too. I'd be lost without this website.
Alex
Amazing!
Healf isn't just another wellbeing brand. They really get it. The products are fantastic, and the support is always so personal and genuine!
Janet
Great products, service, and customer support
Healf have a great range of wellbeing products not available elsewhere in the UK. They are competitively priced as one-off, but even better if you take up the 'subscription' which is super flexible too. I'd have no hesitation in recommending Healf.
S Jones
I love Healf
It's the only place I get really decent health and wellbeing brands, particularly US brands. I've bought a Pvolve set, lots of Skinny Confidential stuff, Thorne supplements etc., the really great stuff that's impossible to get otherwise.
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